252415213 has 2 divisors, whose sum is σ = 252415214. Its totient is φ = 252415212.

The previous prime is 252415211. The next prime is 252415223. The reversal of 252415213 is 312514252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145974724 + 106440489 = 12082^2 + 10317^2 .

It is a cyclic number.

It is not a de Polignac number, because 252415213 - 2¹ = 252415211 is a prime.

Together with 252415211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252415211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126207606 + 126207607.

It is an arithmetic number, because the mean of its divisors is an integer number (126207607).

Almost surely, 2^252415213 is an apocalyptic number.

It is an amenable number.

252415213 is a deficient number, since it is larger than the sum of its proper divisors (1).

252415213 is an equidigital number, since it uses as much as digits as its factorization.

252415213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 25.

The square root of 252415213 is about 15887.5804639977. The cubic root of 252415213 is about 631.9826787500.

Adding to 252415213 its reverse (312514252), we get a palindrome (564929465).

The spelling of 252415213 in words is "two hundred fifty-two million, four hundred fifteen thousand, two hundred thirteen".